The transfer case shift motor is a part of some vehicle's four-wheel drive (4WD) system and is responsible for switching between the vehicle's different two and four-wheel drive options. Through gears or a chain, the transfer case connects the input from the transmission to the rear axle and front axle driveshafts
Drive shaft
A drive shaft, driveshaft, driving shaft, propeller shaft (prop shaft), or Cardan shaft is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relat…
What are the symptoms of a bad transfer case motor?
What are the symptoms of a bad transfer case motor?
- Difficulty shifting gears.
- Grinding noises coming from underneath the vehicle.
- Vehicle jumps in and out of four-wheel drive.
How to manually shift the transfer case?
- I tried the OBDII scan tool and got no faults. ...
- Since most of the literature on the boards focus on the ADD, I figured, oh this is an obvious problem and is likely my problem. ...
- I checked the resistances per the 3rd gen writeup which is great but only applies to the ADD on the 2nd gen and apparently is different for the transfer case ...
How to change a transfer case encoder motor.?
Transfer case encoder motor 4WD is the part that rotates the gear inside the transmission box. It allows your car to convert to 4×4 mode. Usually, the shift encoder motor is located outside the transfer case and is secured to the shift box by 3 bolts. Therefore, when your vehicle cannot convert to 4×4 mode, it is likely that the shift encoder ...
What does a transfer case do?
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How do I reset my transfer case shift motor?
Method 1: The Easy Ways to reset the transfer case control moduleFirst of all, you have to turn the key position. ... Now you have to press the accelerator pedal and wait for a few minutes. ... Then you can switch off the ignition key and let go of the gas pedal. ... Now again, it's time to wait.More items...•
What does the transfer case encoder motor do?
The 4WD Transfer Case Shift Encoder motor is the part that turns the gear inside the transfer case, allowing your vehicle to be switched into 4x4 mode. The Shift Encoder Motor is located on the outside of the transfer case and is secured to the transfer case with 3 bolts.
How do you test a transfer case control module?
You have to perform a TCCM self-test to determine whether you need to change this component or not. Turn the ignition switch while observing the transfer case shift control switch indicators. A functioning TCCM will flash all the indicators before returning to the current gear.
Can you drive without a transfer case motor?
Without a transfer case, you will not be able to drive the vehicle since the power is split 50/50 to the front and rear drive shafts and in 4WD or 4H mode. Alternatively 100% of the vehicle power is transferred to the rear drive shaft and differential from the transfer case when 2H mode is selected.
How do I know if my transfer case shift motor is bad?
Here are some of the most common signs you may encounter when you have a bad transfer case:Gear Shifting Issues. ... Difficulty Staying in 4WD. ... 4WD Will Not Engage/Disengage. ... Puddle Formation Directly Under the Transfer Case's Location. ... Weird Grinding, Growling or Humming Noises. ... 4WD Warning Light Illuminates. ... 4WD Transfer Case.More items...•
How do I know if my transfer case encoder motor is bad?
The common symptom of a bad TCCM is a warning message or warning light on the dashboard. If the transfer case module fails, there will be no power to transfer case shift motor.
How do you test a transfer case shift motor?
6:4315:01Bench Test and Tear Down Of 2011 Ford F150 4X4 Shift Motor Contact ...YouTubeStart of suggested clipEnd of suggested clipThere on that row of four. And we're going to go to the furthest right one put our connector onMoreThere on that row of four. And we're going to go to the furthest right one put our connector on there. All right and then we're going to test this one out by rotating it. We should see continuity.
How do you test a shift motor?
If there is a problem with the shift motor, it can often be diagnosed by checking for power at the connector that connects it to the control module. If there is no power, or if the voltage is low, it indicates that there may be a problem with either the fuse or that supplies power to the shift motor.
Is there a fuse for the transfer case?
It's a regular 30 AMP fuse that powers the transfer case encoder motor and the shift control module.
How much does it cost to replace a transfer case motor?
The Best in Auto Repair The average cost for transfer case shift motor replacement is between $595 and $661. Labor costs are estimated between $92 and $116 while parts are priced between $503 and $544. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
Does a transfer case do anything in 2WD?
The transfer case is located between the transmission and front and rear differentials via the driveshafts, creating a two-wheel drive (2WD) or four-wheel drive vehicle. On a four-wheel or all-wheel drive (AWD) vehicle, it directs power to two or four wheels.
What happens if no oil in transfer case?
Difficulty changing gears – Low or dirty transfer case fluid can affect your transmission's ability to shift gears. It can also result in your car unexpectedly falling out of four-wheel drive. Loud noises while driving – As the transfer case fluid loses its lubricating properties, friction will occur inside.
What is the difference between a center differential and a transfer case?
Center differential is found on (AWD) while transfer case in four-wheel drive provides superior traction to the truck, thereby giving peak performance in off-road and challenging terrain. This is quite possible because the transfer case has features that allow the driver to choose whether to transmit power to both rear and front wheels.
How long does the shifter switch blink?
It can also switch off the front differential locking motor. And if the shifting is not possible, the selector switch will pop up and blink light for 45 seconds.
What happens if the transfer case seal goes bad?
There’s a seal between the transfer case and the transmission, and if that seal goes bad, it will cause an internal or external transmission fluid leak. When this happens, it may empty the transmission fluid and result in catastrophic damages to the transmission.
Why is my 4WD not engaging?
Four-wheel drive (4WD) not engaging or disengaging: There are many reasons for 4WD to be disengaging or not engaging. The root cause ranges from electrical faults in the control system to defective shift mechanisms. The transfer case may have an internal problem.
What Is A Transfer Case Control Module?
The transfer case control module (TCCM) is in control of the general operation of a 4WD. The operation needs processing, executing, and confirming the completion of the process. It directly oversees the shifting in four-wheel-drive vehicle system operations. How does it do this?
How Does The Transfer Case Control Module Work?
Before jumping into the nitty-gritty of a malfunctioning transfer case control module and its symptoms, we will briefly explain how a TCCM functions. By understanding how it operates, one can have a better understanding of all the symptoms to look out for with their TCCM while driving.
Symptoms Of A Bad Transfer Case Control Module
Although they are designed to last for the service life of a vehicle, a transfer case control module may go bad. Similar to any mechanical part, when the TCCM fails, it will leave some signs to notify the owner of a problem budding within the system component.
Possible Causes Of A Bad Transfer Case Control Module
Typically, a transfer case control module will fail due to a leak somewhere, lack of regular maintenance, or regular wear and tear. We highly suggest addressing the fluid leaks as soon as they occur to prevent internal TCCM damage. Replacing the fluid of the transfer case regularly is extremely important.
What To Do When Transfer Case Control Module Goes Bad
If you see any of the symptoms mentioned above, you must have the transfer case control module checked immediately. A simple diagnostic test for a vehicle generally runs anywhere between $85 to $120. However, some mechanics report that even the diagnostics cost can climb up to $400.
How To Test Transfer Case Shift Motor?
The transfer case shift motor is the most common culprit behind any issues with the transfer case control module. This guide can be applied to any vehicle model and make TCCM testing. To start the test, however, you need a handful of common mechanic tools, like jack stands and jacks as well as a test light.
Replacement Cost
If you can locate the source of the problem and repair it, you will be lucky enough to get away without dealing with the hassle and price of replacing the TCCM altogether. However, if the TCCM fails or sustains mechanical damage, your only option may be to replace it. Changing a transfer case typically costs between $2,500 to $2,750.
What does 2 speed transfer case mean?
Two-speed simply means you can engage a single different gear ratio in the transfer case.
What is a 4x4 transfer case?
This means the T-case is always sending power to the front and rear axles. In most full-time T-cases, you’ll find some sort of limited-slip or open differential.
What is a T case in a truck?
While full-time T-cases are something seen frequently in the SUV world, part-time transfer cases are the mainstay in trucks. A part-time T-case will give you the option of sending power to the rear wheels only. This means there are fewer components to wear out and will often equate to increased power and fuel efficiency.
Is manual shift reliable?
Manual-shift levers are less complicated and are less prone to failure. That being said, the OEs have improved dramatically at making electronic shift mechanisms reliable. If you’re wanting to go through the trouble of converting your electronically shifted T-case into a manual shift unit, you may get lucky.
How many bolts to remove a shift motor?
To straight out replace the motor with an OEM or aftermarket one, eight bolts are all that is needed to remove the motor. Four bolts hold on the weight that is used as a vibration dampener (not shown, but locations are marked in blue), and four bolts hold on the shift motor (locations marked in red are 10mm). ...
Why is it important to know where the selector shaft is pointing?
This serves to allow the computer to sense the position of the gear and therefore the selector shaft. There are six finger-like contacts on the cover that are stationary, and by a series of open/closed circuits, the computer can tell where the selector shaft is pointing. This is pretty important because of the computer has to tell ...
Can you flip a bushing over?
Sometimes you can just flip the bushing over or rotate it so that a different part is getting crushed. Other times the bushing is hardened and broken into several pieces. This is the piece that I suspect is the main culprit behind many shift motor replacements.
